同义句转换：Don't make any noise.There's someone knocking at the door.Be quiet.There's ___ ___at
问题描述：
同义句转换：Don't make any noise.There's someone knocking at the door.Be quiet.There's ___ ___at
答
there is a knock on the door
有敲门声。
There's someone knocking at the door.
有人敲门。
答
there is a knock on the door
望采纳，谢谢
答
同义句转换：Don't make any noise.There's someone knocking at the door.
Be quiet.There's (a knock) at the door.
安静.有人敲门.